Ingredients
Method
1.Preheat oven to 220°C (200°C fan-forced).
2.Tie beef with kitchen string at 2cm intervals. Brush beef with 1 tablespoon of the oil; sprinkle with salt and pepper. Toss beetroot in remaining oil; add to dish. Roast, uncovered, about 20 minutes.
3.Reduce oven temperature to 180°C (160°C fan-forced); roast beef and beetroot, uncovered, further 1 hour or until beef is cooked as desired and beetroot are tender. Remove beef from dish; cover, stand 20 minutes. Continue roasting beetroot further 15 minutes or until tender.
4.Meanwhile, boil, steam or microwave potatoes until tender; drain. Mash potatoes; push through a sieve or mouli into a large bowl. Stir in butter then gradually beat in warmed milk and cream.
5.Serve beef with roasted beetroot, potato purée and horseradish.